<template>
  <view>

    <view class="goodsList-item">
      <view class="goodsList-left">
        <radio :checked="goods.goods_state" color="#C00000" v-if="showRadio" @click="ridioClickHandler"></radio>
        <image :src="goods.goods_small_logo || defaultImage"></image>
      </view>
      <view class="goodsList-right">
        <view class="goodsIntroduce">{{goods.goods_name}}</view>
        <view class="updateAfter">
          <view class="goodsPrice">￥{{goods.goods_price | tofixed}}</view>
          <!-- 商品数量 -->
          <uni-number-box :min="1" :value="goods.goods_count" v-if="showNum" @change="numChangeHandler">
          </uni-number-box>
        </view>
      </view>
    </view>


  </view>
</template>

<script>
  export default {
    name: "my-goods",
    props: {
      goods: {
        type: Object,
        default: {}
      },
      // 是否展示图片左侧的 radio
      showRadio: {
        type: Boolean,
        // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
        default: false,
      },
      // 是否展示价格右侧的 NumberBox 组件
      showNum: {
        type: Boolean,
        default: false,
      },
    },


    filters: {
      // 把数字处理为带两位小数点的数字
      tofixed(num) {
        return Number(num).toFixed(2)
      }
    },
    data() {
      return {
        defaultImage: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      };
    },
    methods: {
      //这是radio组件的点击事件处理函数
      ridioClickHandler() {
        this.$emit('radio-change', {
          goods_id: this.goods.goods_id,
          goods_state: !this.goods.goods_state
        })
      },
      // NumberBox 组件的 change 事件处理函数
      numChangeHandler(val) {
        // 通过 this.$emit() 触发外界通过 @ 绑定的 num-change 事件
        this.$emit('num-change', {
          // 商品的 Id
          goods_id: this.goods.goods_id,
          // 商品的最新数量
          goods_count: +val
        })
      }
    }
  }
</script>

<style lang="scss">
  .goodsList-item {
    display: flex;
    border-bottom: 1px solid #cfcfcf;

    .goodsList-left {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-right: 5px;

      image {
        width: 100px;
        height: 100px;
      }
    }

    .goodsList-right {
      display: flex;
      flex-direction: column;
      justify-content: space-between;

      .goodsIntroduce {
        font-size: 14px;
      }

      .updateAfter {
        display: flex;
        justify-content: space-between;
        align-items: center;

        .goodsPrice {
          font-size: 18px;
          color: #c00000;
        }
      }

    }
  }
</style>
